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rear differential arm bushing bolt 700

"Vibration from Solid Rear Axle. My 745 with a solid rear axle has a single arm with large rubber donut bushings connecting the underside of the differential to the frame just ahead of the diff. The lower rubber donut has gone really soft, allowing about 15 degrees of angular rotation of the rear axle; enough to seriously deflect the drive shaft under acceleration at low speed and causing the U joints to grumble loudly. At speeds over 15 kmh the noise is gone; I suspect the momentum of the drive shaft resists the deflection and the acceleration force is lower."

I copied this from the 700/900 FAQ. I'm having a similar problem. the bolt running through the rubber bushing is slowly coming out. i'm not sure, but the bushing may have to be replaced too. I need the dimensions of the bolt. The local Volvo dealer can't get an 'official' volvo bolt for a few days so I was going to find one elsewhere, but the Volvo manuals don't have dimensions, just part no.

Thanks in advance.






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